How about:
import Data.Time.Calendar
import Data.Time.Calendar.WeekDate
main = do
let (y, w, d) = toWeekDate $ addDays 150 (fromGregorian 2009 8 31)
putStrLn $ show d
2009/8/31 zaxis
addDays 150 (fromGregorian 2009 8 31) will work. However, how can i get its weekday from the result ?
thanks!
zaxis wrote:
today = fromGregorian 2009 8 31
then how to calculate the day passing 150 days ?
today + 150 doesnot work !
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